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Apexbio Technology LLC PF-477736 952021-60-2 10mM (in 1mL DMSO)

Supplier: Apexbio Technology LLC B14375.1
PF-477736 is an ATP-competitive small-molecule inhibitor of checkpoint kinase 1 (Chk1) It selectively inhibits Chk1 kinase activity demonstrating nanomolar inhibitory potency in kinase assays and exhibits lower affinity toward related kinases such as CDK1 and Chk2 In vitro studies utilizing human cancer cell lines show PF-477736 disrupts Chk1-dependent G2-phase cell-cycle arrest induced by DNA-damaging agents preferentially targeting tumor cells with compromised p53 function while minimizing cytotoxicity to normal cells PF-477736 is widely utilized experimentally to study DNA damage response mechanisms potential chemosensitizing effects and therapeutic implications for cancers harboring p53 mutations
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